Formax 2200 Series - Manual (Page 30)

Operator's Manual 2200 Series Register Table
30
Type of Balls The number and type of balls in the ball cage
(1) depend on format and type of paper.
1
Always try to use as few balls as
possible. Balls not needed for a
particular job should be removed
to avoid wear of the transport belt.
It is recommended to use the following balls:
Paper grades below
13 #:
Plastic balls
Paper grades from 13 - 33 #: Plastic balls, every 6th should be a steel ball
Paper grades above 33 #: Mainly steel balls
In the infeed section (the first 4 to 6 balls) it is recommended to always use one
or two steel balls.
For very light paper grades every second ball opening should be left free.